| Service Provider-wise Number of Public Call Offices (PCOs) in India (As on December 2015 to September 2023) | |||||||||
| (In Lakh) | |||||||||
| Service Provider | Dec., 2015 | Dec., 2016 | Dec., 2017 | Dec., 2018 | Dec., 2019 | Dec., 2020 | Dec., 2021 | Dec., 2022 | Sept., 2023 |
| Bharat Sanchar Nigam Limited (BSNL) | |||||||||
| Mahanagar Telephone Nigam Limited (MTNL) | |||||||||
| Bharti | |||||||||
| Quadrant | |||||||||
| Sistema | |||||||||
| Tata | |||||||||
| Reliance | |||||||||
| Total | |||||||||
